11 CO211.kVA,resistance of 0.20 ohm. A fieldA550V,55single-phase alternatorresistancehasaneffectiveCO3of 10A produces anCO4armature current of 200A on short circuit and an emf of 450V onopen circuit. What is the voltage regulation at full load and 0.80lagging power factor?A. 23.6%C. 31%В. 378D. 40.5%

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single-phase alternator resistance of 0.20 ohm. A field resistance of 10A produces an armature current of 200A on short circuit and an emf of 450V on 11. A 550V, 55 kVA, has effective an open circuit. What is the voltage regulation at full load and 0.80 lagging power factor? A. 23.6% C. 31% B. 37% D. 40.5%

single-phase alternator resistance of 0.20 ohm. A field resistance of 10A produces an armature current of 200A on short circuit and an emf of 450V on 11. A 550V, 55 kVA, has effective an open circuit. What is the voltage regulation at full load and 0.80 lagging power factor? A. 23.6% C. 31% B. 37% D. 40.5%

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.23P: Figure 3.32 shows the oneline diagram of a three-phase power system. By selecting a common base of...

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